
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/695321/An_inspection_of_exit_checks.pdf

https://www.dw.com/en/european-union-bloc-backs-plan-for-stricter-asylum-reforms/a-65861983#:~:text=The%20European%20Union%27s%2027%20member%20states%20have%20agreed,those%20seeking%20asylum%20and%20solidarity%20in%20the%20EU.

http://www.euronews.com/2017/09/19/portugal-in-cash-for-passports-scandal?utm_source=newsletter&utm_medium=en&utm_content=portugal-in-cash-for-passports-scandal&_ope=eyJndWlkIjoiZjU3Y2JhYmUwMGUxZDFiNTUxOTU1ZDljNzExNTI1MmEifQ==